<template>
  <div class="app-container">
    讲师列表
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <!-- v-model双向绑定，
          这边teacherQuery中并没有name属性，但是js会帮我们自动创建 -->
        <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
      </el-form-item>

      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>

      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <!-- 时间选择框 -->
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>

      <el-button type="primary" icon="el-icon-search" @click="getTeacherPageQuery()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>
    <el-table
      :data="list"
      border
      fit
      highlight-current-row>

      <el-table-column
        label="序号"
        width="70"
        align="center">
        <template slot-scope="scope">
          {{ (current - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="name" label="名称" width="80" />

      <el-table-column label="头衔" width="80">
        <template slot-scope="scope">
          <!-- ===表示判断值和类型，==只判断值 -->
          {{ scope.row.level===1?'高级讲师':'首席讲师' }}
        </template>
      </el-table-column>

      <el-table-column prop="intro" label="资历" />

      <el-table-column prop="gmtCreate" label="添加时间" width="160"/>

      <el-table-column prop="sort" label="排序" width="60" />

      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/add/'+scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">修改</el-button>
          </router-link>
          <!-- scope表示所有表格，scope.row表示得到表格每一行，scope.row.id表示得到行中的id值 -->
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeDataById(scope.row.id)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination
      :current-page="current"
      :page-size="limit"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getTeacherPageQuery"
    />
  </div>
</template>
<script>
import teacher from '@/api/teacher'
import ImageCropper from '@/components/ImageCropper'
import PanThumb from '@/components/PanThumb'

export default{
  data() {
    return {
      current: 1,
      limit: 10,
      teacherQuery: {},
      list: [],
      total: 0
    }
  },
  created() {
    this.getTeacherPageQuery()
  },
  methods: {
    getTeacherPageQuery(current = 1) {
      this.current = current
      teacher.getTeacherPageVo(this.current, this.limit, this.teacherQuery)
        .then(response => {
          this.list = response.data.records
          this.total = response.data.total
        })
    },
    resetData() { // 清空的方法
      // 1、表单输入项数据清空
      this.teacherQuery = {}
      // 2、查询所有讲师数据
      this.getTeacherPageQuery()
    },
    removeDataById(id) {
      this.$confirm('此操作将永久删除该, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        teacher.delTeacher(id)
          .then(response => {
            console.log('删除成功')
            this.getTeacherPageQuery()
          })
      }).catch(() => { })
    }
  }
}
</script>
